1873472 has 28 divisors (see below), whose sum is σ = 3777996. Its totient is φ = 921600.

The previous prime is 1873471. The next prime is 1873499. The reversal of 1873472 is 2743781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 295936 = 1256^2 + 544^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1873471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472 + ... + 4872.

2^1873472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888998).

1873472 is an abundant number, since it is smaller than the sum of its proper divisors (1904524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1873472 is an equidigital number, since it uses as much as digits as its factorization.

1873472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 476 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 1873472 is about 1368.7483333323. The cubic root of 1873472 is about 123.2770979728.

The spelling of 1873472 in words is "one million, eight hundred seventy-three thousand, four hundred seventy-two".